Folding ladder



FIG. 1. is a front view of a folding ladder showing my new design;

FIG. 2. is a rear view thereof,

FIG. 3. is a left side view thereof;

FIG. 4. is a right side view thereof;

FIG. 5. is a top plan view thereof;

FIG. 6. is a bottom plan view thereof;

FIG. 7. is a perspective view thereof; and

FIG. 8. is another perspective view thereof.

FIG. 9. is a front view of a second embodiment of my new design;

FIG. 10. is a rear view thereof,

FIG. 11. is a left side view thereof;

FIG. 12. is a right side view thereof;

FIG. 13. is a top plan view thereof;

FIG. 14. is a bottom plan view thereof;

FIG. 15. is a perspective view thereof; and,

FIG. 16. is another perspective view thereof.

CLAIM The ornamental design for a folding ladder, as shown.